An update on polygalacturonase-inhibiting protein (PGIP), a leucine-rich repeat protein that protects crop plants against pathogens

被引:133
作者
Kalunke, Raviraj M. [1 ]
Tundo, Silvio [1 ]
Benedetti, Manuel [2 ]
Cervone, Felice [2 ]
De Lorenzo, Giulia [2 ]
D'Ovidio, Renato [1 ]
机构
[1] Univ Tuscia, Dipartimento Sci & Tecnol Agr Foreste Nat & Energ, I-01100 Viterbo, Italy
[2] Univ Roma La Sapienza, Dipartimento Biol & Biotecnol Charles Darwin, I-00185 Rome, Italy
关键词
polygalacturonase inhibiting proteins (PGIPs); gene family; transgenic plants; plant protection; fungal pathogens; bacterial pathogens; AMINO-ACID SUBSTITUTION; PHASEOLUS-VULGARIS L; GENE FAMILY REVEALS; VITIS-VINIFERA L; BOTRYTIS-CINEREA; INCREASED RESISTANCE; TRANSGENIC PLANTS; CRYSTAL-STRUCTURE; ENDOPOLYGALACTURONASE II; ENDO-POLYGALACTURONASE;
D O I
10.3389/fpls.2015.00146
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Polygalacturonase inhibiting proteins (PGIPs) are cell wall proteins that inhibit the pectin-depolymerizing activity of polygalacturonases secreted by microbial pathogens and insects. These ubiquitous inhibitors have a leucine-rich repeat structure that is strongly conserved in monocot and dicot plants. Previous reviews have summarized the importance of PGIP in plant defense and the structural basis of PG-PGIP interaction; here we update the current knowledge about PGIPs with the recent findings on the composition and evolution of pgip gene families, with a special emphasis on legume and cereal crops. We also update the information about the inhibition properties of single pgip gene products against microbial PGs and the results, including field tests, showing the capacity of PGIP to protect crop plants against fungal, oomycetes and bacterial pathogens.
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页数:17
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